Directed by
| Raoul Lévy | ... | (as Raoul Levy) |
Writing Credits
| Robert Guenette | ... | (screenplay) and |
| Raoul Lévy | ... | (screenplay) (as Raoul Levy) |
| Paul Thomas | ... | (novel) |
| Montgomery Clift | ... | (uncredited) |
| Peter Francke | ... | (uncredited) |
Cast (in credits order) complete, awaiting verification
| Montgomery Clift | ... | Professor James Bower | |
| Hardy Krüger | ... | Counselor Peter Heinzmann (as Hardy Kruger) | |
| Macha Méril | ... | Frieda Hoffmann (as Macha Meril) | |
| David Opatoshu | ... | Prof. Orlovsky | |
 |
Christine Delaroche | ... | Ingrid Weiß |
| Hannes Messemer | ... | Dr. Saltzer | |
|
|
Karl Lieffen | ... | Major Windisch |
| Uta Levka | ... | Mädchen unter der Dusche | |
| Roddy McDowall | ... | Agent Adams (as Roddy Mc Dowall) | |
| Rest of cast listed alphabetically: | |||
| Johannes Buzalski | ... | Spitzel (uncredited) | |
| Jean-Luc Godard | ... | Prof. Orlovsky's Freund und Doppelagent (uncredited) | |
| Eduard Linkers | ... | Fluchthelfer Franz Ritter (uncredited) | |
| Rolf Zacher | ... | Tommy (uncredited) | |
Produced by
| Julien Derode | ... | executive producer (uncredited) |
| Raoul Lévy | ... | producer (as Raoul Levy) |
| Conrad von Molo | ... | co-producer (uncredited) |
Music by
| Serge Gainsbourg | ||
Cinematography by
| Raoul Coutard | ||
Editing by
| Albert Jurgenson | ||
| Roger Dwyre | ... | (uncredited) |
Production Design by
| Pierre Guffroy | ||
Art Direction by
| Pierre Guffroy | ||
| Hans Jürgen Kiebach | ... | (uncredited) |
| Ernst Schomer | ... | (uncredited) |
Production Management
| Hans-Joachim Sommer | ... | production manager (as Hans Sommer) |
| Hans Terofal | ... | production supervisor (as Hans Seitz) |
| Jean Paul Delamotte | ... | production manager (uncredited) |
Second Unit Director or Assistant Director
| Thomas Grimm | ... | assistant director (uncredited) |
Sound Department
| Joseph de Bretagne | ... | sound engineer (as Jo de Bretagne) |
Stunts
| Montgomery Clift | ... | stunt performer (uncredited) |
Additional Crew
| Eckart Dux | ... | voice dubbing: Montgomery Clift (german version) (uncredited) |
| Jörg Gillner | ... | voice dubbing: Johannes Buzalski (german version) (uncredited) |
| Harald Halgardt | ... | voice dubbing: David Opatoshu (german version) (uncredited) |
| Edgar Hoppe | ... | voice dubbing: Eduard Linkers (german version) (uncredited) |
| Hardy Krüger | ... | voice dubbing: Hardy Krüger (german version) (uncredited) |
| Gabriele Libbach | ... | voice dubbing: Macha Méril (german version) (uncredited) |
| Holger Mahlich | ... | voice dubbing: Karl Lieffen (german version) (uncredited) |
| Manfred Reddemann | ... | voice dubbing: Roddy McDowall (german version) (uncredited) |
| Jacqueline Renee | ... | voice dubbing: Uta Levka (german version) (uncredited) |
| Franz Rudnick | ... | voice dubbing: Hannes Messemer (german version) (uncredited) |
| William Sabatier | ... | voice dubbing (french version) (uncredited) |
| Serge Sauvion | ... | voice dubbing (french version) (uncredited) |
